package com.sky.controller.admin;

import com.github.pagehelper.Page;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;
import com.sky.service.DishService;

import java.util.List;
import java.util.Set;

@Slf4j
@Api(tags = "菜品相关接口")
@RestController("adminDishController")
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    @ApiOperation("新增菜品")
    @PostMapping
    public Result addDish(@RequestBody DishDTO dto){
        log.info("新增菜品:{}", dto);

        dishService.saveWithFlavor(dto);

        //缓存优化
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    @ApiOperation("菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dto){
        log.info("菜品分页查询:{}", dto);
        PageResult pageResult = dishService.page(dto);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除:{}",ids);
        dishService.deleteBatch(ids);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品:{}", id);
        return Result.success(dishService.getById(id));
    }

    @ApiOperation("修改菜品")
    @PutMapping
    public Result update(@RequestBody DishDTO dto){
        log.info("修改菜品:{}", dto);
        dishService.update(dto);

        cleanCache("dish_*");
        return Result.success();
    }

    @ApiOperation("菜品起售停售")
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("菜品起售停售:{},{}", status, id);
        dishService.startOrStop(status,id);
        cleanCache("dish_*");
        return Result.success();
    }

    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据分类id查询菜品:{}", categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
